------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 5359 at fs/btrfs/block-group.c:3609 do_chunk_alloc fs/btrfs/block-group.c:3609 [inline] WARNING: CPU: 0 PID: 5359 at fs/btrfs/block-group.c:3609 btrfs_chunk_alloc+0xf36/0xfd0 fs/btrfs/block-group.c:3851 Modules linked in: CPU: 0 PID: 5359 Comm: kworker/u4:2 Not tainted 6.1.0-syzkaller-09941-ge2ca6ba6ba01 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound btrfs_async_reclaim_data_space RIP: 0010:do_chunk_alloc fs/btrfs/block-group.c:3609 [inline] RIP: 0010:btrfs_chunk_alloc+0xf36/0xfd0 fs/btrfs/block-group.c:3851 Code: 00 e7 5b 8b 44 89 e6 31 c0 e8 56 78 a1 fd 0f 0b e9 57 fc ff ff e8 5a 81 da fd 48 c7 c7 00 e7 5b 8b 89 de 31 c0 e8 3a 78 a1 fd <0f> 0b b0 01 e9 1f fe ff ff e8 3c 81 da fd 48 c7 c7 00 e7 5b 8b 44 RSP: 0018:ffffc90003fcf980 EFLAGS: 00010246 RAX: 345a0840b739e600 RBX: ffffffffffffffe4 RCX: ffff88807ee1d7c0 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff816ea35d R09: fffff520007f9ee9 R10: fffff520007f9ee9 R11: 1ffff920007f9ee8 R12: 00000000ffffffe4 R13: ffff88802a75d000 R14: ffff88801ed90001 R15: ffff88807555f498 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f68f73df028 CR3: 000000002077a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: flush_space+0x9e8/0xbe0 fs/btrfs/space-info.c:772 btrfs_async_reclaim_data_space+0x14e/0x520 fs/btrfs/space-info.c:1302 process_one_work+0x877/0xdb0 kernel/workqueue.c:2289 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306